diff --git a/pkgs/servers/gpm/default.nix b/pkgs/servers/gpm/default.nix
index e260ccfb761..6096aa1ed74 100644
--- a/pkgs/servers/gpm/default.nix
+++ b/pkgs/servers/gpm/default.nix
@@ -12,6 +12,11 @@ stdenv.mkDerivation rec {
     sha256 = "13d426a8h403ckpc8zyf7s2p5rql0lqbg2bv0454x0pvgbfbf4gh";
   };
 
+  postPatch = ''
+    sed '1i#include <sys/types.h>' -i src/daemon/open_console.c
+    substituteInPlace src/prog/gpm-root.y --replace __sigemptyset sigemptyset
+  '';
+
   nativeBuildInputs = [ automake autoconf libtool flex bison texinfo ];
   buildInputs = [ ncurses ];